How to disable internet using BAT?

Question

cmd/bat

How to turn off the Internet using a bat file without entering the network name, that is, I need to:

• Internet turned off
  
• The program has started
  
• 2 seconds have passed
  
• Internet turned on
  

PS: In short, it turned out something like this:

netsh interface set interface "ЃҐбЇа®ў®¤­ п бҐвм" disable

cd /Program Files/programm_folder
start programm.exe

timeout 3

netsh interface set interface "ЃҐбЇа®ў®¤­ п бҐвм" enable

Answer 1

delete default gateway
run program
set default gateway